Ordering by number: this is 1280582555, previously 00120, the American Pneumatic Tool lock washer. This distributes bolt load across the joint face on the chipping hammer. Flattened or dished washers are replaced during reassembly.
It shows up in the parts breakdown for the 260 Chipping Hammer Series and M43 M44 4-Bolt Chipping Hammer, and on 8 other machines. Check it against the reference number on the diagram first; serial breaks change what fits.
If you need the parts around it, the parts breakdown index has the full breakdown library, and the American Pneumatic Tool range covers the machines themselves. Stocked in Denver orders placed by 4 PM ET ship the same day when the part is on the shelf.
- Part number: 1280582555
- Previous part number: 00120
- Manufacturer: American Pneumatic Tool
- Crowder SKU: APT120
- Listed on breakdowns for: 260 Chipping Hammer Series, M43 M44 4-Bolt Chipping Hammer, 117 Paving Breaker, 118 Clay Digger, 119 Trench Digger, 125 Clay Digger, +4 more
